1. Department of Parasitology and Parasitic Diseases, Faculty of Veterinary Medicine Cluj-Napoca, Calea Mănăştur 3-5, Cluj-Napoca, 400372, Romania
2. Department of Histology, Faculty of Veterinary Medicine Cluj-Napoca, Calea Mănăştur 3-5, Cluj-Napoca, 400372, Romania
3. Laboratory of Parasitology, University of Thessaly, Veterinary Faculty, PO Box 199, Karditsa, 43100, Greece